/*
 * Copyright (C) 2025 Danny Holman <dholman@gymli.org>
 *
 * This file is part of BoxOS, a free and open-source Unix-like operating
 * system.
 *
 * BoxOS is free software; you can redistribute it and/or modify under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * BoxOS; if not, see <https://www.gnu.org/licenses/>.
 */

#ifndef SYS_BOOTPARAM_H
#define SYS_BOOTPARAM_H

#include <stdint.h>
#include <stddef.h>

#define FIRMWARE_UEFI           1
#define FIRMWARE_OSBI           2

#define MAX_CMDLINE_SIZE        1024

#define BOOTPARAM_MAGIC         0x424F4F54 // "BOOT"

enum mem_type {
        MEM_USABLE,
        MEM_IO,
        MEM_ACPI,
        MEM_ACPI_RECLAIM,
        MEM_PERSIST,
        MEM_FIRMWARE,
};

typedef struct mmap_entry {
        uint8_t mem_type;
        uint64_t num_pages;
        uintptr_t start;
        struct mmap_entry *next;
} mmap_entry_t;

typedef struct bootparam {
        uint32_t magic;
        uint32_t firmware_id;
        void *stack_ptr;
        void *heap_ptr;
        void *firmware_params;
        uint32_t num_mmap_entries;
        mmap_entry_t *mmap;
        char cmdline[MAX_CMDLINE_SIZE];
} bootparam_t;

#endif